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Compared to continental crust, oceanic crust is generally thinner, denser, and younger. It typically has an average thickness of about 5-10 kilometers, while continental crust can range from 30 to 50 kilometers. Oceanic crust is primarily composed of basalt, whereas continental crust is mostly granite. Additionally, oceanic crust is continuously being formed at mid-ocean ridges, making it geologically younger than most continental crust.
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Compared to landform crust the ocean crust is?
younger
Is ocean crust or landform crust yonger?
Ocean crust is younger than landform crust. Oceanic crust is constantly being created at mid-ocean ridges through volcanic activity, making it much younger in comparison to the older landform crust found on continents.
What is the name of the crust not under the ocean?
The crust not under the ocean is called continental crust. It is thicker and less dense compared to oceanic crust and forms the landmasses on Earth's surface.
Why the crust is thinner than the ocean floor?
The Earth's crust is thinner than the ocean floor because the oceanic crust is formed at mid-ocean ridges where heat from the mantle creates new crust through volcanic activity. This process creates younger, hotter, and thinner crust in the ocean compared to the older and thicker continental crust.
Compared to ocean crust near deep-sea trenches crust near ocean ridges are?
Compared to ocean crust near deep-sea trenches, crust near ocean ridges is generally younger, thinner, and hotter. Ocean ridges are sites of active seafloor spreading where magma rises to create new crust, while deep-sea trenches are associated with subduction, where older, denser crust is pulled back into the mantle. As a result, the crust at ocean ridges is also less dense and more buoyant than the crust found near trenches.
Compared to landform crust the ocean crust is?
younger
Is ocean crust or landform crust yonger?
Ocean crust is younger than landform crust. Oceanic crust is constantly being created at mid-ocean ridges through volcanic activity, making it much younger in comparison to the older landform crust found on continents.
What is the name of the crust not under the ocean?
The crust not under the ocean is called continental crust. It is thicker and less dense compared to oceanic crust and forms the landmasses on Earth's surface.
Why the crust is thinner than the ocean floor?
The Earth's crust is thinner than the ocean floor because the oceanic crust is formed at mid-ocean ridges where heat from the mantle creates new crust through volcanic activity. This process creates younger, hotter, and thinner crust in the ocean compared to the older and thicker continental crust.
Compared to ocean crust near deep-sea trenches crust near ocean ridges are?
Compared to ocean crust near deep-sea trenches, crust near ocean ridges is generally younger, thinner, and hotter. Ocean ridges are sites of active seafloor spreading where magma rises to create new crust, while deep-sea trenches are associated with subduction, where older, denser crust is pulled back into the mantle. As a result, the crust at ocean ridges is also less dense and more buoyant than the crust found near trenches.
What is the compition for the crust?
Crust is made up of mainly granite, a felsic rock wit a lower density than basalt, what makes up the ocean's crust, thus why the continental crust rises up compared to ocean crust.
Compared to ocean crust near deep sea trenches crust near ocean ridges is?
Compared to ocean crust near deep sea trenches, crust near ocean ridges is generally younger, thinner, and hotter. Ocean ridges are sites of seafloor spreading where magma rises to create new crust, leading to the formation of younger geological features. In contrast, ocean crust near deep sea trenches is older, denser, and often subjected to subduction, where it is pushed back into the mantle. This results in more complex geology and greater age in trench-adjacent crust.
Which landform is crust thickest?
mountains
What type of landform occurs in seafloor spreading?
Mid-ocean ridges are the primary landform that occurs in seafloor spreading. These are underwater mountain ranges where tectonic plates are moving apart, allowing magma to rise up and form new oceanic crust.
What landform is created when plates separate?
A mid-ocean ridge is created when plates separate. This landform is characterized by underwater mountain ranges where new oceanic crust is formed from volcanic activity along divergent plate boundaries.
How is the depth of ocean crust will related to the age of the ocean?
The depth of ocean crust is generally related to its age due to the process of thermal contraction and isostasy. Younger oceanic crust, formed at mid-ocean ridges, is hotter and less dense, resulting in a shallower depth. As the crust ages, it cools, becomes denser, and sinks deeper into the mantle, leading to greater ocean depths over time. Thus, older ocean crust is typically found at greater depths compared to younger crust.
The largest landform under the ocean is an ocean?
Ocean Basin
